$58.99 DEWALT IMPACT READY 1/2 DRIVE SQUARE TO 1/4 RAPID LOAD HEX SHANK ADAPTOR DW2298 885911026369 | eBay
I am selling a brand new dewalt 1/2 impact wrench. It is not battery powered.. it is a corded 
DeWalt 1/2 18V Cordless Impact Wrench with Hog Ring Anvil
